Edited into

References

Kings of the Road (1976)
Jack listens to the song 'King of the Road' by Roger Miller in his truck, like one of the main characters in the road movie 'Kings of the Road'.

The Ice Storm (1997)
Anne Hathaway talks about an "Ice Storm", an overt reference to director Ang Lee's earlier film

In the Mood for Love (2000)
Both films deal with married people committing adulterous acts. "Fa yeung" used and re-popularized the Spanish version of the song "Quizas, Quizas, Quizas (Perhaps, Perhaps, Perhaps)", which is heard playing when Jack is in Mexico in "Brokeback", as a tribute to the earlier film.

20 to 1: Magnificent Movies (2006)
(TV Episode)
In a segment on the movie Butch Cassidy and the Sundance Kid, Bert Newton refers to Paul Newman as "the original butch cowboy, long before Brokeback Mountain".

Wedding Wars (2006)
(TV Movie)
Shel (who is gay) is told that he hates camping and Heath Ledger won't be cuddling with him

Night at the Museum (2006)
Jed tells Octavius that "He won't quit him" which is a reference to Brokeback Mountain.

The Footy Show: The Grand Final Footy Show 2008 (2008)
(TV Episode)
Mentioned in a discussion with Jason Ackermanis about what two of his Western Bulldogs team-mates wore to the Bronlow Medal count when they came straight from "Mad Monday".

At the Movies: Summer Special 2010/11 (2010)
(TV Episode)
Mentioned by David Stratton in a discussion on Love and Other Drugs as the previous movie in which Jake Gyllenhaal and Anne Hathaway played a couple.

Peep Show: Seasonal Beatings (2010)
(TV Episode)
One of Mark's dad's guesses during the game of Charades, snidely implying that Mark is gay.